| Nick Kledzik | 5c08099 | 2011-03-17 00:09:13 +0000 | [diff] [blame] | 1 | //===-- udivmodsi4_test.c - Test __udivmodsi4 -----------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file tests __udivmodsi4 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "int_lib.h" |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | // Returns: a / b |
| 18 | |
| 19 | extern su_int __udivmodsi4(su_int a, su_int b, su_int* rem); |
| 20 | |
| 21 | int test__udivmodsi4(su_int a, su_int b, |
| 22 | su_int expected_result, su_int expected_rem) |
| 23 | { |
| 24 | su_int rem; |
| 25 | su_int result = __udivmodsi4(a, b, &rem); |
| 26 | if (result != expected_result) { |
| 27 | printf("error in __udivmodsi4: %u / %u = %u, expected %u\n", |
| 28 | a, b, result, expected_result); |
| 29 | return 1; |
| 30 | } |
| 31 | if (rem != expected_rem) { |
| 32 | printf("error in __udivmodsi4: %u mod %u = %u, expected %u\n", |
| 33 | a, b, rem, expected_rem); |
| 34 | return 1; |
| 35 | } |
| 36 | |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | |
| 41 | int main() |
| 42 | { |
| 43 | if (test__udivmodsi4(0, 1, 0, 0)) |
| 44 | return 1; |
| 45 | |
| 46 | if (test__udivmodsi4(2, 1, 2, 0)) |
| 47 | return 1; |
| 48 | |
| 49 | if (test__udivmodsi4(19, 5, 3, 4)) |
| 50 | return 1; |
| 51 | |
| 52 | if (test__udivmodsi4(0x80000000, 8, 0x10000000, 0)) |
| 53 | return 1; |
| 54 | |
| 55 | if (test__udivmodsi4(0x80000003, 8, 0x10000000, 3)) |
| 56 | return 1; |
| 57 | |
| 58 | return 0; |
| 59 | } |